Use implicit differentiation to find the specified derivative at the given point.Find 
at the point (1, -1) for -5xy2 - 7x2y + 4x = 0.
A. 
B. 3
C. - 
D. - 
Answer: D
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Solve the problem.Find the total area of the ends of the garage.
A. The total area of the ends of the garage is 468 square feet. B. The total area of the ends of the garage is 180 square feet. C. The total area of the ends of the garage is 300 square feet. D. The total area of the ends of the garage is 360 square feet.
Decide whether the equation defines y as a function of x. (Remember that to be a function, every value of x must give one and only one value of y.)y2 = (x - 1)(x + 3)
A. No B. Yes
Find the square root. Express the answer as a whole number or as a square root. Do not use a calculator.
A. 
B. 4
C. 10
D. 
Use Pascal's triangle to expand the binomial.(x3 - 2y2)5
A. x15 - 10x12y2 + 40x9y4 - 80x6y6 + 80x3y8 - 32y10 B. x15 - 32y10 C. x15 - 10x7y2 + 40x6y4 - 80x5y5 + 80x3y6 - 32y7 D. x15 - 2x12y2 + 4x9y4 - 8x6y6 + 16x3y8 - 32y10